Finding the Third Proportional to 48,300 and 64,992

Step by Step Solution

1. Step 1: Write the proportion equation
   48,300 : 64,992 = 64,992 : x
2. Step 2: Convert to fraction form
   48,300/64,992 = 64,992/x
3. Step 3: Cross multiply
   48,300x = 64,992 × 64,992
4. Step 4: Simplify right side
   48,300x = 4,223,960,064
5. Step 5: Solve for x
   x = 4,223,960,064/48,300
6. Step 6: Final answer
   x = 87,452.59